CVE-2018-5254 Denial of service in n/a

What is CVE-2018-5254?

CVE-2018-5254 is a high-severity denial of service vulnerability in n/a, published on 12 Apr 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Arista EOS before 4.20.2F allows remote BGP peers to cause a denial of service (Rib agent restart) via a malformed path attribute in an UPDATE message.

Weakness: CWE-417

Which versions are affected by CVE-2018-5254?

It affects 1 product.

Products include Arista Eos.

How do I fix CVE-2018-5254?

No fix has been published for CVE-2018-5254 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2018-5254 being exploited?

There is no known exploitation of CVE-2018-5254 in the wild and no public exploit code.

Other vulnerabilities in n/a

• CVE-2026-7473 Arista Extensible Operating System Incomplete Comparison with Missing Factors Exploited Medium 6.9
• CVE-2015-8236 Privilege escalation in n/a Critical 10.0
• CVE-2020-10188 Memory corruption in n/a Critical 9.8
• CVE-2017-18017 Use after free in n/a Critical 9.8
• CVE-2017-14491 Memory corruption in n/a Critical 9.8

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-fwcg-fqr6-423c.